The role of vascular lesions in the malignant transformation of chronic peptic ulcer.
D006801:Humans; D000860:Hypoxia / Q000150:complications; D013270:Stomach / Q000098:blood supply; D013274:Stomach Neoplasms / Q000209:etiology* / Q000473:pathology; D013276:Stomach Ulcer / Q000150:complications* / Q000473:pathology